The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 31, 2011
Filed:
Aug. 25, 2008
Tetsuya Atsumi, Suzuka, JP;
Munehiro Takasugi, Saitama, JP;
Tetsuya Atsumi, Suzuka, JP;
Munehiro Takasugi, Saitama, JP;
Mitsubishi Materials Corporation, Tokyo, JP;
Abstract
The hammer for breaking polycrystalline silicon is provided with a handle portion extending along a center axis and a head portion extending in a direction intersecting a direction of the center axis at the leading end of the handle portion. The head portion is provided with a head main body connecting with the handle portion, a striking part installed at one end of the head main body via a coupling shaft portion, and a counter weight portion installed at the other end of the head main body. The head main body, the coupling shaft portion, the striking part and the counter weight portion are formed integrally from a hard metal. A round-raised striking surface is formed at the striking part.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile